River CO

Werner Arroyo

Colorado • 38.0264, -106.1303

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

25 mi

40 km

Elevation

7,874′ → 7,548′

326 ft drop

Stream Order

Large River

Slope

0.25%

13.2 ft/mi

Drainage

578 mi²

1,497 km²

Avg Flow

-- cfs

1.8 mph velocity

Path to Mouth

35 mi

57 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar